﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo01
{
    class Program
    {
        static void Main(string[] args)
        {
            Add add = new Add(10,20);
            add.DisplayResult();
            Prep pr = new Prep(50,10);
            pr.DisplayResult();
            multiplication mu = new multiplication(10,10);
            mu.DisplayResult();
            divid di = new divid(100,55);
            di.DisplayResult();

            Circle ci = new Circle(5);
            ci.GetArea();
            Square sq = new Square(10);
            sq.GetArea();
        }

       
    }
}
